package xyz.xtt.exchange.utils;

public class UserIdEncryptionUtil {

    // 最简单偏移量伪装id
    private static final Long OFFSET = Long.MAX_VALUE;


    public static String encrypt(Long number) {
        return String.valueOf(number + OFFSET).substring(1);
    }

    public static String decrypt(Long data) {
        long number = Long.parseLong("-" + data);
        return String.valueOf(number - OFFSET);
    }
}
